#66FDE0#66FDE0

#66FDE0 is a very light, vivid teal. Relative luminance 0.785; OKLCH L 90.5% C 0.135 H 178.2°. Best body text is #000000 at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#66FDE0
RGB	rgb(102, 253, 224)
HSL	hsl(168, 97%, 70%)
HSV	hsv(168, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 11.5%, 0.8%)
CIE-LAB	lab(90.99, -46.89, 1.91)
CIE-LCH	lch(90.99, 46.93, 177.67°)
OKLab	oklab(90.53% -0.1351 0.0043)
OKLCH	oklch(90.53% 0.135 178.2)
XYZ	xyz(54.0531, 78.4516, 82.8006)
Luminance	0.7846 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDE0 #FD6683

analogous

#66FD95 #66FDE0 #66CEFD

triadic

#66FDE0 #E066FD #FDE066

tetradic

#66FDE0 #9566FD #FD6683 #CEFD66

square

#66FDE0 #9566FD #FD6683 #CEFD66

split-complementary

#66FDE0 #FD66CE #FD9566

monochromatic

#03E6BA #2AFCD4 #66FDE0 #A2FEEC #DFFFF8

Accessibility & contrast

On white

1.26

#66FDE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.69

#66FDE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDE0

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDE0	#FFFFFF	#000000	##000000
##66FDE0	1.00	1.26	16.69	16.69
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.69	21.00	1.00	1.00
##000000	16.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4EFDF

Deuteranopia (green-blind)

#DDDEE2

Tritanopia (blue-blind)

#00FFF4

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #66fde0;
/* rgb */ color: rgb(102, 253, 224);
/* oklch */ color: oklch(90.5% 0.135 178.2);

Tailwind

colors: {
  custom: {
    50: '#a0ffe9',
    500: '#66fde0',
    950: '#000000',
  },
}

SCSS

$custom: #66fde0;
$custom-light: #a0ffe9;
$custom-dark: #000000;

JSON

{
  "hex": "#66fde0",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 224
  },
  "hsl": {
    "h": 168.477,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.90528,
    "c": 0.13516,
    "h": 178.2
  },
  "luminance": 0.78457
}

Semantic roles & 50–950 ramp

primary

#66FDE0

secondary

#D82F50

accent

#002CE6

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101816

muted

#818684

Preview Lab

Preview with #66FDE0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →